If you want a specific one. from say mabey your music folder on the droid. Download an app called ringdroid. You can cut a part of the song you want and save it as a ringtone. You can also choose a whole song as a ringtone by going to your Default music player choosing the song. Press menu and save a ringtone. then go to your email app>setting>ringtones>and find the one you just saved.